/*
 *      Copyright (c) 2018-2028, Chill Zhuang All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *
 *  Redistributions of source code must retain the above copyright notice,
 *  this list of conditions and the following disclaimer.
 *  Redistributions in binary form must reproduce the above copyright
 *  notice, this list of conditions and the following disclaimer in the
 *  documentation and/or other materials provided with the distribution.
 *  Neither the name of the dreamlu.net developer nor the names of its
 *  contributors may be used to endorse or promote products derived from
 *  this software without specific prior written permission.
 *  Author: Chill 庄骞 (smallchill@163.com)
 */
package org.springblade.modules.course.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import lombok.AllArgsConstructor;
import org.springblade.modules.course.entity.CourseChapterEntity;
import org.springblade.modules.course.vo.CourseChapterVO;
import org.springblade.modules.course.mapper.CourseChapterMapper;
import org.springblade.modules.course.service.ICourseChapterService;
import org.springblade.core.mp.base.BaseServiceImpl;
import org.springframework.stereotype.Service;
import com.baomidou.mybatisplus.core.metadata.IPage;

import java.util.List;

/**
 * 归属某个课程的具体章节列表 服务实现类
 *
 * @author
 * @since 2023-03-22
 */
@Service
public class CourseChapterServiceImpl extends BaseServiceImpl<CourseChapterMapper, CourseChapterEntity> implements ICourseChapterService {
	@Override
	public IPage<CourseChapterVO> selectCourseChapterPage(IPage<CourseChapterVO> page, CourseChapterVO courseChapter) {
		return page.setRecords(baseMapper.selectCourseChapterPage(page, courseChapter));
	}

	@Override
	public List<CourseChapterEntity> selectByCourseId(Long courseId) {
		LambdaQueryWrapper<CourseChapterEntity> lqw = Wrappers.<CourseChapterEntity>query().lambda().eq(CourseChapterEntity::getCourseId, courseId).orderByAsc(CourseChapterEntity::getSort);
		return baseMapper.selectList(lqw);
	}




}
